#ifndef _USER_H
 #define _USER_H
 #include <vector>
 #include <string>

 #include <memory>

 #include <pwd.h>
 
 class user {
     public:

         virtual ~user() {}
 //        virtual std::string home_directory() = 0;

 };
 
 

 typedef std::shared_ptr<user> user_p;

 class directory {
     public:

        virtual ~directory() {}

         virtual const user_p find_user(const std::string &user_name) = 0;
 };

 typedef std::shared_ptr<directory> directory_p;

 #endif